Home / 760,512.75-1,141,890.57-424,210.47

Finding the Fourth Proportional to 760,512.75, 1,141,890.57 and 424,210.47

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Solution

The fourth proportional to 760,512.75, 1,141,890.57 and 424,210.47 is: 636,941.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,512.75 : 1,141,890.57 = 424,210.47 : x
  2. Step 2: Convert to fraction form
    760,512.75/1,141,890.57 = 424,210.47/x
  3. Step 3: Cross multiply
    760,512.75x = 1,141,890.57 × 424,210.47
  4. Step 4: Simplify right side
    760,512.75x = 484,401,935,388.27
  5. Step 5: Solve for x
    x = 484,401,935,388.27/760,512.75
  6. Step 6: Final answer
    x = 636,941.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.